Submission #2668608
Source Code Expand
#include <iostream> #include <climits> #include <bitset> #include <stack> #include <queue> #include <iomanip> #include <limits> #include <string> #include <cmath> #include <set> #include <map> #include <math.h> #include <algorithm> #include <vector> #include <string.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; long long int INF = 1e18; double Pi = 3.141592653589; const int mod = 1000000007; // memset(a,0,sizeof(a)); →全部0にする vector<int> G[100005]; std::vector<P> tree[100010]; int dx[8]={1,0,-1,0,1,1,-1,-1}; int dy[8]={0,1,0,-1,1,-1,-1,1}; #define p(x) cout<<x<<endl; #define el cout<<endl; #define pe(x) cout<<x<<" "; #define re(i,a,b) for(i=a;i<=b;i++) ll i,j,ii,jj; ll n,m,ans=0,sum; ll x,y,k; ll a[100005]; ll hidari,migi,mid; bool dp[5105][5105]; int dd[5100]; bool solve(ll x){ if(dd[x]==2){ return true; }else if(dd[x]==1){ return false; } //x番目を除いたらどうなるか for(i=0;i<n+2;i++){ for(j=0;j<k+2;j++){ dp[i][j]=false; } } ll z=1; dp[0][0]=true; for(i=0;i<n;i++){ if(i==x)continue; for(j=0;j<k;j++){ if(dp[z-1][j] && j+a[i]<=k)dp[z][j+a[i]]=true; if(dp[z-1][j])dp[z][j]=true; } z++; } bool flag=false; y = max(0ll,k-a[x]); for(j=y;j<k;j++){ if(j>=0 && dp[n-1][j])flag=true; } if(flag){ dd[x] = 2; return true;//必要 }else{ dd[x] = 1; return false;//不必要 } } // huhitu huhitu huhitu huhitu hitu hitu って並ぶ // 1 1 1 1 2 2 2 2 2 int main(){ cin>>n>>k; for(i=0;i<n;i++){ cin>>a[i]; } sort(a,a+n); hidari=0; migi=n-1; while(migi-hidari>1){ mid=(migi+hidari)/2; if(solve(mid)){ migi=mid; }else{ hidari=mid; } } /*for(int i=0;i<n;i++){ if(solve(i)){ pe(i);p("は必要"); }else{ pe(i);p("は不必要"); } }*/ for(ii=hidari-2;ii<=hidari+2;ii++){ if(ii<0 || ii>=n)continue; if(!solve(ii)){ ans=ii; }else{ ans = ii-1; break; } } p(ans+1); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - No Need |
User | enjapma |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 2271 Byte |
Status | AC |
Exec Time | 567 ms |
Memory | 31232 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | 300 / 300 | ||||||
Status |
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Set Name | Test Cases |
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Sample | 0_000.txt, 0_001.txt, 0_002.txt |
Subtask | 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt |
All | 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 2_026.txt, 2_027.txt, 2_028.txt, 2_029.txt, 2_030.txt, 2_031.txt, 2_032.txt, 2_033.txt, 2_034.txt, 2_035.txt, 2_036.txt, 2_037.txt, 2_038.txt, 2_039.txt, 2_040.txt, 2_041.txt, 2_042.txt, 2_043.txt, 2_044.txt, 2_045.txt, 2_046.txt, 2_047.txt, 2_048.txt, 2_049.txt, 2_050.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 3 ms | 6656 KB |
0_001.txt | AC | 3 ms | 6656 KB |
0_002.txt | AC | 3 ms | 6656 KB |
1_003.txt | AC | 3 ms | 6656 KB |
1_004.txt | AC | 3 ms | 6656 KB |
1_005.txt | AC | 3 ms | 6656 KB |
1_006.txt | AC | 3 ms | 6656 KB |
1_007.txt | AC | 3 ms | 6656 KB |
1_008.txt | AC | 6 ms | 8320 KB |
1_009.txt | AC | 6 ms | 8320 KB |
1_010.txt | AC | 6 ms | 8320 KB |
1_011.txt | AC | 4 ms | 8192 KB |
1_012.txt | AC | 5 ms | 8320 KB |
1_013.txt | AC | 4 ms | 8192 KB |
1_014.txt | AC | 4 ms | 8192 KB |
1_015.txt | AC | 6 ms | 8320 KB |
1_016.txt | AC | 3 ms | 6656 KB |
1_017.txt | AC | 3 ms | 6656 KB |
1_018.txt | AC | 3 ms | 6656 KB |
1_019.txt | AC | 5 ms | 8320 KB |
1_020.txt | AC | 4 ms | 8192 KB |
1_021.txt | AC | 5 ms | 8320 KB |
1_022.txt | AC | 4 ms | 7424 KB |
1_023.txt | AC | 3 ms | 7168 KB |
1_024.txt | AC | 5 ms | 8320 KB |
1_025.txt | AC | 6 ms | 8320 KB |
2_026.txt | AC | 3 ms | 6656 KB |
2_027.txt | AC | 3 ms | 6784 KB |
2_028.txt | AC | 3 ms | 6784 KB |
2_029.txt | AC | 506 ms | 31232 KB |
2_030.txt | AC | 546 ms | 31232 KB |
2_031.txt | AC | 345 ms | 31232 KB |
2_032.txt | AC | 11 ms | 30720 KB |
2_033.txt | AC | 341 ms | 31232 KB |
2_034.txt | AC | 10 ms | 30720 KB |
2_035.txt | AC | 10 ms | 30720 KB |
2_036.txt | AC | 567 ms | 31232 KB |
2_037.txt | AC | 3 ms | 6656 KB |
2_038.txt | AC | 3 ms | 6656 KB |
2_039.txt | AC | 3 ms | 6656 KB |
2_040.txt | AC | 358 ms | 31232 KB |
2_041.txt | AC | 297 ms | 31232 KB |
2_042.txt | AC | 465 ms | 31232 KB |
2_043.txt | AC | 214 ms | 23040 KB |
2_044.txt | AC | 288 ms | 29184 KB |
2_045.txt | AC | 140 ms | 27136 KB |
2_046.txt | AC | 257 ms | 31232 KB |
2_047.txt | AC | 352 ms | 31232 KB |
2_048.txt | AC | 448 ms | 31232 KB |
2_049.txt | AC | 478 ms | 31232 KB |
2_050.txt | AC | 442 ms | 31232 KB |